Table 2 The relationships among the non-invasive methods for the detection of vascular aging

FRS

-

-

0.31

0.03

0.44

<0.01

Ankle-brachial index

0.01

0.95

0.27

0.07

0.13

0.37

PWVaor (m/sec)

0.31

0.03

-

-

0.27

0.11

PWVarm (m/sec)

0.08

0.61

0.67

<0.01

0.11

0.45

PWVleg (m/sec)

0.14

0.36

0.18

0.22

0.08

0.60

Augmentation index (%)

0.23

0.14

−0.08

0.61

0.32

0.04

Subendocardial viability ratio (%)

−0.02

0.91

−0.11

0.48

0.17

0.28

Ejection duration (ms)

−0.15

0.34

0.13

0.43

−0.08

0.64

Right mean IMT (mm)

0.44

<0.01

0.24

0.11

-

-

Left mean IMT (mm)

0.45

<0.01

0.26

0.09

0.71

<0.01